8194420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31517}}^1$

素因数の和:31539

約数の個数: 24

約数和(自身を含む): 18532584

約数和(自身を除く): 10338164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31517, 63034, 126068, 157585, 315170, 409721, 630340, 819442, 1638884, 2048605, 4097210, 8194420]

約数ペア:

[(1, 8194420), (2, 4097210), (4, 2048605), (5, 1638884), (10, 819442), (13, 630340), (20, 409721), (26, 315170), (52, 157585), (65, 126068), (130, 63034), (260, 31517)]